JP2017013676A - Construction machine and mounting method for travel device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction machine and a mounting method for a travel device capable of efficiently mounting the travel device in a construction machine body by pin fixing without increasing the size of the mounting structure.SOLUTION: A tubing device 1 to/from which a crawler side frame 30 can be attached/detached includes: a body side bracket 10 which is provided on a device body side and in which pin holes 12 and 14 are formed; a crawler side bracket 31 which is provided on a crawler side and in which pin holes 32 and 34 corresponding to the pin holes 12 and 14 of the bracket 10 are formed; a guide hook 36 formed in the bracket 31; and a guide pin 20 for aligning the pin holes 32 and 34 of the bracket 31 and the pin holes 12 and 14 of the bracket 10 by engagement of the guide hook 36. The guide pin 20 is rotatably provided in the bracket 10 and is rotated in the engagement state of the guide hook 36 so as to move the positions of the pin holes 32 and 34 of the bracket 31 in the vertical direction.SELECTED DRAWING: Figure 10

Description

  The present invention relates to a construction machine to which a traveling device can be attached and detached, and a method for attaching the traveling device to the construction machine.

  Large construction machines are transported to the site in a disassembled state and assembled on site. When the traveling device (crawler side frame) is attached to the construction machine main body when assembled on site, the traveling device is lifted by a crane and attached to the construction machine main body and fixed. At this time, pins are fixed in at least two places so that the traveling device does not rotate. Generally, a pin hole fixing portion is formed on each of the construction machine side and the traveling device side, and the pin holes are fixed and driven in a state where the pin holes formed on each side are accurately matched. .

  However, it is very difficult to match the pin holes with high accuracy in the state where the traveling device is lifted by a crane, and it takes time, so the mounting workability is poor. Therefore, in order to improve the mounting workability, there is also a construction machine in which one place (the upper fixing portion) of the fixing portion is not a pin hole fixing but a guide hook shape.

Japanese Patent Laid-Open No. 06-016388

  However, if one portion of the fixing portion is formed into a guide hook shape, a large load acts on the pin with which the guide hook engages, so the size (diameter) must be made larger than the pin used for the pin hole fixing portion. There was a problem that a large space was required structurally. In particular, such a structure cannot be adopted when there are dimensional restrictions due to restrictions on the transport width or the like.

  Therefore, the present invention has been made to solve the above-described problems, and is a construction machine and a traveling device that can efficiently attach the traveling device to the construction machine main body by pin fixing without increasing the size of the attachment structure. An object is to provide an attachment method.

  One form of the present invention made to solve the above problems is a construction machine detachable construction machine side bracket provided on the construction machine main body side and having a plurality of fixing pin holes formed therein. A traveling device side bracket provided on the traveling device side and formed with a fixing pin hole corresponding to the pin hole of the construction machine side bracket, and formed on either the construction machine bracket or the traveling device side bracket. And a guide pin for aligning the pin hole of the traveling device side bracket and the pin hole of the construction machine side bracket by engaging the guide hook, and the guide pin includes the guide pin The engaging hook is rotatably provided on a bracket on which no guide hook is formed, and the engaging hook is rotated while the guide hook is engaged. And wherein the moving the position of the pin holes in the bracket are formed in the vertical direction.

  In this construction machine, when the traveling device is attached to the construction machine body, the traveling device side bracket pin hole matches the pin hole of the construction machine side bracket, and the traveling pin is driven into the pin hole, thereby driving the traveling device. Attach to the construction machine body. Specifically, first, a traveling device lifted by a crane is moved, and a guide hook formed on either the construction machine bracket or the traveling device side bracket is replaced with a bracket on which the guide hook is not formed. Is engaged with a guide pin. Thereby, alignment of the pin hole formed in each bracket is performed. Next, by rotating the guide pin with the guide hook engaged with the guide pin, the position of the pin hole of the bracket in which the engagement hook is formed is moved in the vertical direction to adjust the height position. adjust. Thereby, the centers of the pin holes formed in each bracket can be made to coincide with each other with high accuracy. Then, the fixing pin is driven into the pin hole whose center matches. Thereafter, fixing pins are driven into other pin holes, and the traveling device is attached to the construction machine main body and fixed. That is, the traveling device is pinned to the construction machine main body at a plurality of locations. Therefore, a large load does not act on the guide pin, and it is not necessary to increase the size (diameter) of the guide pin.

  Thus, according to this construction machine, the center of the pin holes formed in each bracket and the first fixed pin can be accurately matched by a very simple operation of rotating the guide pins, The fixing pin can be driven efficiently. Thereby, attachment to the construction machine of a traveling apparatus can be performed efficiently by pin fixation. And it is not necessary to enlarge the size (diameter) of a guide pin. Therefore, the traveling device can be efficiently attached to the construction machine main body by fixing the pins without increasing the size of the attachment structure.

  Further, since the guide hook is engaged with the guide pin during the mounting operation of the travel device, the travel device lifted by the crane is supported by the guide pin and the guide hook. As a result, the traveling device suspended from the crane cannot be moved carelessly, and the safety during work is also improved.

  In the construction machine described above, the guide pin has an engaging portion that engages with the guide hook at a position that is eccentric from a pin outer peripheral surface formed by an outer peripheral circle of the guide pin and a center of the guide pin. It is desirable that the guide pin is formed of an eccentric outer peripheral surface formed by a circle having a center and a diameter different from that of the guide pin and partially overlapping with the outer peripheral circle of the guide pin.

  By forming the guide pin in such a shape, the height position can be adjusted by moving the pin hole position of the traveling device side bracket in the vertical direction by the eccentric outer peripheral surface with a very simple configuration. Thereby, the centers of the pin holes formed in each bracket can be made to coincide with each other with high accuracy.

  Then, after driving the fixing pin, the guide pin can be moved away from the guide hook by rotating again. Thereby, a load can be prevented from acting on a guide pin. Here, while the traveling device is being installed, that is, while the guide hook is engaged with the guide pin, a load acts on the guide pin, but since the traveling device is lifted by the crane, a very large load is applied. do not do. Therefore, it is not necessary to make the size (diameter) of the guide pin with which the guide hook engages larger than that of the fixed pin, and a structurally large space is not required.

Further, in the construction machine described above, the guide pin is provided in the construction machine side bracket, and the plurality of pin holes and the guide pin provided in the construction machine side bracket are arranged linearly in the vertical direction. It is preferable.

  By doing in this way, since the construction machine side bracket can be reduced in the width direction, the width dimension of the construction machine main body can be reduced. Thereby, this invention is applicable also to a large sized construction machine with the limitation of a transport width.

  Another aspect of the present invention made to solve the above problems is a traveling device mounting method in which a traveling device is attached to a construction machine body on site, a lifting process of lifting the traveling device with a crane, and a construction provided in the construction machine body A guide mechanism formed on either one of a bracket for a machine or a bracket on a traveling device side of the traveling device lifted by a crane has a cam mechanism rotatably provided on the bracket on which the guide hook is not formed. An engaging step for engaging with the guide pin; and in a state where the guide hook is engaged with the guide pin, the guide pin is rotated and the cam mechanism is used to rotate the bracket on which the engagement hook is formed. Move the position of the pin hole up and down to the center of the pin hole of the traveling device side bracket and the pin hole of the construction machine side bracket. A positioning step for aligning the core and a fixing step of driving the fixing pin into the aligned pin hole and fixing the traveling device to the construction machine with the fixing pin at a plurality of locations. To do.

  In this traveling device mounting method, in the engaging step, the guide hook provided on either the construction machine bracket or the traveling device side bracket is provided rotatably on the bracket on which the guide hook is not formed. A guide pin having a cam mechanism is engaged. In the alignment step, with the guide hook engaged with the guide pin, the guide pin is rotated and the pin hole position of the bracket where the engagement hook is formed is moved up and down by the cam mechanism. The center of the pin hole of the traveling apparatus side bracket and the center of the pin hole of the construction machine side bracket are made to coincide with each other. As described above, the centers of the pin holes formed in the brackets and into which the fixing pins are first inserted can be made coincident with each other by a very simple operation of rotating the guide pins. Therefore, the fixing pin can be driven efficiently in the fixing process. Thereby, attachment to the construction machine of a traveling apparatus can be performed efficiently by pin fixation.

  In the fixing step, the traveling device is pin-fixed at a plurality of locations with respect to the construction machine main body. Therefore, a large load does not act on the guide pin, and it is not necessary to increase the size (diameter) of the guide pin. Therefore, the traveling device can be efficiently attached to the construction machine main body by pin fixing in a limited space.

  In the above-described method for mounting the traveling device, it is preferable that the method further includes a separation step of rotating the guide pin away from the guide hook after the fixing step.

  By including such a separation step, it is possible to prevent a load from acting on the guide pin after the traveling device is attached to the construction machine main body. Here, while the traveling device is being installed, that is, while the guide hook is engaged with the guide pin, a load acts on the guide pin, but since the traveling device is lifted by the crane, a very large load is applied. do not do. Therefore, it is not necessary to make the size (diameter) of the guide pin with which the guide hook engages larger than that of the fixed pin, and a large space is not necessary for providing the guide pin.

  According to the construction machine and the traveling device attachment method according to the present invention, the traveling device can be efficiently attached to the construction machine main body by pin fixing without increasing the size of the attachment structure.

It is a top view of the tubing device of this embodiment. It is a side view of the tubing device of this embodiment. It is a front view of the tubing device of this embodiment. It is a front view of a main body side bracket. It is a figure which shows the shape of a guide pin. It is sectional drawing in the cross section AA of FIG. It is a front view of a crawler side bracket. It is a figure which shows the state which lifted the crawler side frame. It is the state which moved the crawler side frame which lifted near the tubing apparatus. It is a figure which shows the state which engaged the guide hook with the guide pin. It is a figure which shows the positional relationship of an upper pin hole when a guide hook engages with a guide pin. It is a figure which shows the state which rotated the guide pin. It is a figure which shows the state which made the center of each upper pin hole correspond. It is a figure which shows the state which made the center of each upper pin hole correspond after driving a fixing pin into each upper pin hole. It is a figure which shows a mode that a weight base is attached after the attachment of a crawler side frame is complete | finished. It is a figure which shows the state which the attachment of the weight mount was completed. It is a figure which shows a modification.

  Hereinafter, embodiments of a construction machine and a traveling device mounting method according to the present invention will be described in detail with reference to the drawings. In this embodiment, a tubing device to which a crawler side frame (traveling device) can be attached and detached will be described. Accordingly, the tubing device will be described with reference to FIGS. FIG. 1 is a plan view of the tubing device of the present embodiment. FIG. 2 is a side view of the tubing device of the present embodiment. FIG. 3 is a front view of the tubing device of the present embodiment.

  The tubing device 1 is a construction machine that press-fits and pulls out the ground while rotating a casing (or a steel pipe pile or the like) gripped by a chuck mechanism. In this tubing device 1, the crawler side frame 30 is detachable, and the crawler side frame 30 may be removed during transportation and the crawler side frame 30 may be attached on site to run on its own. 1 to 3 show the tubing device 1 with the crawler side frame 30 and the weight base 50 attached thereto.

  In the configuration of the tubing device 1, elevating cylinders 4 are provided at four corners of a rectangular base frame 3, and an elevating frame 2 that is moved up and down by this is provided. The elevating frame 2 is provided with a rotating frame 8 that is rotatably supported, and a casing is inserted into a tapered hole formed in the rotating frame 8.

  Then, the chuck cylinder 6 is driven to insert a wedge member (not shown) between the casing and the tapered hole, the rotating frame 8 and the casing are fastened, and the rotating frame 8 is moved by the motor 9 disposed on the lifting frame 2. The casing is rotationally press-fitted while being driven to rotate and the elevating cylinder 4 is lowered. The base frame 3 is provided with a jack 5 that adjusts the level of the entire tubing device 1. The jack 5 is also used when the crawler side frame 30 is attached and detached.

  The base frame 3 is provided with a main body side bracket 10 for attaching the crawler side frame 30. Two main body side brackets 10 are provided on the left and right sides of the base frame 3. A crawler side bracket 31 is provided on the crawler side frame 30 corresponding to the main body side bracket 10. The crawler side frame 30 is attached to the base frame 3 using these brackets 10 and 31. Details of the brackets 10 and 31 will be described later.

  Further, the tubing device 1 is supplied with hydraulic pressure via a hydraulic hose from a hydraulic unit 40 for hydraulically driving each part. Further, a weight base 50 for loading the counterweight 51 is attached to the tubing device 1. The weight base 50 is detachable and is attached above the crawler side frame 30.

  Here, the brackets 10 and 31 will be described with reference to FIGS. FIG. 4 is a front view of the main body side bracket. FIG. 5 is a diagram illustrating the shape of the guide pin. 6 is a cross-sectional view taken along a cross-section AA in FIG. FIG. 7 is a front view of the crawler side bracket.

  As shown in FIG. 4, the main body side bracket 10 has an upper pin hole 12 formed in the upper portion and a lower pin hole 14 formed in the lower portion. The main body side bracket 10 is provided with guide pins 20. The upper pin hole 12, the lower pin hole 14, and the guide pin 20 are arranged on a straight line in the vertical direction. Thereby, the width direction dimension of the main body side bracket 10 becomes small, and the width dimension of the tubing apparatus 1 in the state which has not attached the crawler side frame 30 can be made small. As a result, the width dimension of the tubing device 1 can be suppressed within the limit of the transport width.

  The guide pin 20 is rotatably provided on the main body side bracket 10. As shown in FIGS. 5 and 6, the guide pin 20 includes a pin outer peripheral surface 22 formed by an outer periphery of the guide pin 20 and an engagement portion 20 a to be engaged with a guide hook 36 described later. There is a center C2 at a position eccentric from the center C1, and it is formed of an eccentric outer peripheral surface 24 having a diameter D2 different from the diameter D1 of the guide pin 20 and formed by a circumference partially overlapping with the outer periphery of the guide pin 20. . And the eccentric outer peripheral surface 24 acts as a cam mechanism.

  Further, a polygonal portion 26 for mounting a tool for rotating the guide pin 20 is formed at the end of the guide pin 20. In the present embodiment, the polygonal portion 26 has a hexagonal shape. Thereby, the guide pin 20 can be easily rotated using a general purpose tool (hexagon wrench etc.).

  In this embodiment, the diameter D2 of the eccentric outer peripheral surface 24 is smaller than the diameter D1 of the guide pin 20 (pin outer peripheral surface 22) (D1> D2), and the eccentric outer peripheral surface 24 of the engaging portion 20a is The pin has a shape that is recessed (greased) from the outer peripheral surface 22 of the pin. Therefore, the position where the guide hook 36 is engaged is visually clarified, and the guide hook 36 can be reliably engaged with the specified position (concave portion) of the guide pin 20 in a short time. Thereby, attachment workability | operativity improves.

  On the other hand, the crawler side bracket 31 has an upper pin hole 32 corresponding to (aligned with) the upper pin hole 12 of the main body side bracket 10 and a lower pin hole 14 of the main body side bracket 10 as shown in FIG. Corresponding (aligned) lower pin holes 34 are formed. The crawler side bracket 31 is formed with a guide hook 36 that engages with the guide pin 20. Further, the crawler side bracket 31 is provided with a pedestal mounting pin hole 38. The pedestal mounting pin hole 38 is for mounting and fixing the weight pedestal 50.

Next, a procedure for attaching the crawler side frame 30 to the tubing device 1 (device main body) will be described with reference to FIGS.
First, as shown in FIG. 8, the crawler side frame 30 is lifted by a crane using the wire rope W1 (lifting step). The wire rope W1 is attached to the crawler side frame 30 using a dedicated crawler hanger 60. At this time, the jack 5 of the tubing device 1 is in an extended state.

  Next, as shown in FIG. 9, the lifted crawler side frame 30 (traveling device) is moved to the vicinity of the tubing device 1 by operating the crane. Then, as shown in FIG. 10, the guide hook 36 of the crawler side bracket 31 is engaged (hooked) with the guide pin 20 of the main body side bracket 10. At this time, the eccentric outer peripheral surface 24 of the guide pin 20 is positioned upward, and the guide hook 36 is engaged with the recessed portion of the guide pin 20 (engagement step).

  By this engagement process, the crawler side frame 30 lifted by the crane is supported by the guide pins 20 and the guide hooks 36. Accordingly, the crawler side frame 30 lifted by the crane is not moved carelessly, and the safety of the subsequent work can be ensured.

  Moreover, the position of the upper pin hole 12 formed in the main body side bracket 10 and the position of the upper pin hole 32 of the crawler side bracket 31 substantially coincide with each other by the engaging step. Similarly, the position of the lower pin hole 14 formed in the main body side bracket 10 and the position of the lower pin hole 34 of the crawler side bracket 31 substantially coincide with each other. At this stage, as shown in FIG. 11, the centers of the upper pin holes 12 and 32 (and the lower pin holes 14 and 34) do not completely coincide with each other (the pin holes 32 (a little of the crawler side bracket 31 ( 34) is shifted downward). While the guide hook 36 is engaged with the guide pin 20, the crawler side frame 30 is lifted by the crane, so that a large load does not act on the guide pin 20.

  Next, in order to perform pin fixing on the upper side of each bracket 10, 31, the center of the upper pin hole 12 formed in the main body side bracket 10 and the center of the upper pin hole 32 of the crawler side bracket 31 are accurately matched. Let Specifically, a hexagon wrench is attached to the polygonal portion 26 of the guide pin 20, and the guide pin 20 is rotated as shown in FIGS. Thereby, in the guide pin 20, the location of the eccentric outer peripheral surface 24 which contacts the guide hook 36 changes. That is, the contact point between the guide pin 20 and the guide hook 36 is gradually moved away from the center of rotation of the guide pin 20 by the cam mechanism as the guide pin 20 rotates. 31 moves upward. Therefore, the height position of the crawler side bracket 31 can be adjusted by rotating the guide pin 20. Adjustment of the position of the crawler side bracket 31 in the left-right direction can be performed by adjusting the tension of the wire rope W1. As a result, as shown in FIG. 13, the center of the upper pin hole 32 of the crawler side bracket 31 and the center of the upper pin hole 12 of the main body side bracket 10 can be made to coincide with each other accurately (positioning step).

  Then, the fixing pin P1 is driven into the aligned upper pin holes 12, 32 (fixing step). Thereby, each bracket 10 and 31 is fixed upward (one point). The hexagon wrench may be removed after driving the fixing pin P1. Thereafter, the crane is operated to adjust the tension of the wire rope W1, and the crawler side bracket 31 is slightly rotated (moved) around the fixing pin P1 (upper pin hole 32), as shown in FIG. As described above, the center of the lower pin hole 34 can be accurately matched with the center of the lower pin hole 14 of the main body side bracket 10 (positioning step). Then, the fixing pin P2 is driven into the aligned lower pin holes 14 and 34 (fixing step). Thus, the crawler side frame 30 is attached to the tubing device 1 and pin-fixed.

  Finally, again, the hexagon wrench is attached to the polygonal portion 26 of the guide pin 20 and the guide pin 20 is rotated to separate the guide pin 20 from the guide hook 36 (separation step). Thereby, after attaching the crawler side frame 30 to the tubing device 1, it is possible to prevent a load from acting on the guide pins 20. Further, a large load does not act on the guide pin 20 even during the mounting operation of the crawler side frame 30. Therefore, it is not necessary to make the size (diameter) of the guide pin 20 with which the guide hook 36 engages larger than that of the fixed pin, and a large space is not required for providing the guide pin 20. That is, even in the attachment using the guide hook 36, a structurally large space is not required unlike the prior art.

  When the attachment of the crawler side frame 30 to the tubing device 1 is completed, the weight base 50 is attached above the crawler side frame 30. At this time, the jack 5 of the tubing device 1 is in a contracted state. As shown in FIG. 15, the weight base 50 is attached by moving the weight base 50 lifted using the wire rope W <b> 2 above the crawler side frame 30. First, the mounting portion 52 of the weight base 50 is disposed on the base mounting surface 39 provided on the crawler side frame 30. Next, the tension of the wire rope W2 is adjusted so that the gantry mounting pin hole 38 of the crawler side bracket 31 and the pin hole 53 of the weight gantry 50 are aligned. Then, as shown in FIG. 16, the fixing pin P3 is driven into the matched pin holes 38 and 53. Thus, the weight base 50 is fixed above the crawler side frame 30. Thereafter, the counterweight 51 is loaded on the weight base 50.

  As described above in detail, according to the mounting method of the tubing device 1 and the crawler side frame 30 according to the present embodiment, the crawler side frame 30 lifted by the crane is first moved to be formed on the crawler side bracket 31. The guide hook 36 is engaged with the guide pin 20 provided on the main body side bracket 10. As a result, the upper pin holes 12 and 32 and the lower pin holes 14 and 34 formed in the brackets 10 and 31 are roughly aligned. Next, with the guide hook 36 engaged with the guide pin 20, the guide pin 20 is rotated to move the position of the upper pin hole 32 of the crawler side bracket 31 upward to adjust the height position. . Thereby, the center of the upper pin holes formed in each bracket 10 and 31 can be made to correspond with sufficient accuracy. Then, the fixing pin P1 is driven into the upper pin holes 12 and 32 whose centers coincide. Thereafter, the fixing pin P2 is driven into the lower pin holes 14 and 34, and the crawler side frame 30 is attached and fixed to the main body of the tubing device.

  As described above, according to the mounting method of the tubing device 1 and the crawler side frame 30 according to the present embodiment, the fixing pins that are formed on the brackets 10 and 31 first are fixed by a very simple operation of rotating the guide pins 20. The centers of the upper pin holes into which the pin is driven can be matched, and the fixing pin P1 can be driven efficiently. When one point is fixed, the fixing pin P2 can be driven into the lower pin holes 14 and 34 easily. Therefore, the crawler side frame 30 can be efficiently attached to the tubing device 1 by pin fixing.

  Since the crawler side frame 30 is pin-fixed at two positions with respect to the main body of the tubing device, a large load does not act on the guide pin 20, so the size (diameter) of the guide pin 20 needs to be increased. Absent. Therefore, the crawler side frame 30 can be efficiently attached to the tubing device 1 by fixing the pins without increasing the size of the attachment structure.

  Further, since the guide hook 36 is engaged with the guide pin 20 during the mounting operation of the crawler side frame 30, the crawler side frame 30 lifted by the crane is supported by the guide pin 20 and the guide hook 36. Therefore, safety during work is improved.

  It should be noted that the above-described embodiment is merely an example and does not limit the present invention in any way, and various improvements and modifications can be made without departing from the scope of the invention. In the above-described embodiment, the case where the present invention is applied to a tubing device is illustrated as an example of a construction machine. However, the present invention is also applied to a construction machine (for example, an excavator or an earth drill) to which a traveling device can be attached and detached. be able to.

  In the above-described embodiment, the case where the guide pin 20 is provided on the main body side bracket 10 and the guide hook 36 is formed on the crawler side bracket 31 is illustrated. However, the guide pin 20 and the guide hook 36 are reversed. It can also be provided. That is, as shown in FIG. 17, the guide pin 20 can be provided on the crawler side bracket 31, and the guide hook 36 can be formed on the main body side bracket 10.

DESCRIPTION OF SYMBOLS 1 Tubing apparatus 10 Main body side bracket 12 Upper pin hole 14 Lower pin hole 20 Guide pin 20a Engagement part 22 Pin outer peripheral surface 24 Eccentric outer peripheral surface 30 Crawler side frame 31 Crawler side bracket 32 Upper pin hole 34 Lower pin hole 36 Guide hook C1 Center (guide pin)
C2 center (eccentric circle)
D1 Diameter (Guide pin outer circumference circle)
D2 Diameter (eccentric circle)
P1 fixing pin P2 fixing pin W1 wire rope W2 wire rope

Claims (5)

In construction machines with removable travel devices,
A construction machine side bracket provided on the construction machine main body side and formed with a plurality of fixing pin holes;
A traveling device side bracket provided on the traveling device side, in which a pin hole for fixing corresponding to the pin hole of the construction machine side bracket is formed;
A guide hook formed on either the construction machine bracket or the traveling device side bracket;
A guide pin for aligning the pin hole of the travel device side bracket and the pin hole of the construction machine side bracket by engaging the guide hook;
The guide pin is rotatably provided on a bracket on which the guide hook is not formed, and the pin of the bracket on which the engagement hook is formed by rotating in a state where the guide hook is engaged. A construction machine characterized by moving the position of a hole up and down. In the construction machine according to claim 1,
In the guide pin, the engaging portion that engages with the guide hook is centered on a pin outer peripheral surface formed by an outer peripheral circle of the guide pin and a position eccentric from the center of the guide pin. A construction machine characterized in that it is formed of an eccentric outer peripheral surface formed by a circumference that partially overlaps with an outer peripheral circle of the guide pin and having a diameter different from that of the guide pin. In the construction machine according to claim 1 or 2,
The construction is characterized in that the guide pin is provided in the construction machine side bracket, and the plurality of pin holes provided in the construction machine side bracket and the guide pin are arranged linearly in the vertical direction. machine. In the mounting method of the traveling device that attaches the traveling device to the construction machine body locally,
A lifting step of lifting the traveling device with a crane;
A guide hook formed on either the construction machine bracket provided on the construction machine main body or the traveling apparatus side bracket provided on the traveling apparatus suspended by a crane is provided rotatably on the bracket on which the guide hook is not formed. An engaging step for engaging with a guide pin having a cam mechanism formed;
With the guide hook engaged with the guide pin, the guide pin is rotated and the cam mechanism moves the pin hole position of the bracket where the engagement hook is formed in the vertical direction. An alignment step for matching the center of the pin hole of the bracket on the traveling device side with the center of the pin hole of the bracket on the construction machine side;
A traveling device mounting method comprising: a fixing step of driving fixed pins into the aligned pin holes and fixing the traveling device to the construction machine with the fixed pins at a plurality of locations. In the mounting method of the traveling apparatus described in Claim 4,
The method of mounting a traveling device further comprising a separation step of rotating the guide pin to separate from the guide hook after the fixing step.